Side by side

Fortis Marinemaster M-40vsNivada Grenchen Depthmaster

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
Depthmaster
Nivada GrenchenDepthmaster
MSRP $1,050

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4040mm
Depthmaster39mm
Power Reserve
Marinemaster M-4038h
Depthmaster38h
Water Resistance
Marinemaster M-40300m
Depthmaster1,000m
MSRP
Marinemaster M-40$3,520
Depthmaster$1,050

Full specifications

Case

5 specs
Diameter
40mm
39mm
Lug-to-Lug
39mm
Lug Width
21mm
20mm
Water Resistance
300m
1000m
Caseback
Solid
Stainless Steel 316

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW220-1
Sellita SW200
Jewels
26
25
Complications
None
GMT

Pricing

1 specs
MSRP
$3,520
$1,050

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

Nivada Grenchen Depthmaster

Owners widely report terrific build quality and a feel similar to the 1960s original, with some appreciating its reasonable lug-to-lug and better-than-expected appearance in person. The compact 39mm case is praised for its wearability, especially on smaller wrists, and offers impressive 1,000m water resistance. However, the Soprod P024 movement's 38-hour power reserve is a point of criticism, as is a bezel that can be difficult to grip and weak lume. Some owners find the watch wears on the smaller side, and the date complication is seen by one owner as detracting from the design. The "Pacman" variant is noted as polarizing, with one owner questioning their purchase, while the "Ghost Purple" variant's 30 and 45 numerals are described as having a rushed aesthetic. Overall, owners and reviewers rate the Nivada Grenchen Depthmaster highly for its faithful reissue, impressive water resistance, and comfortable wearability at a competitive price.

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